linux-kernel - Re: [PATCH] nvme: fix the suspicious RCU usage warning in nvme_mpath_clear_current

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Message-ID: <20180418101913.GB15833@lst.de>
Date:   Wed, 18 Apr 2018 12:19:13 +0200
From:   Christoph Hellwig <hch@....de>
To:     Jianchao Wang <jianchao.w.wang@...cle.com>
Cc:     keith.busch@...el.com, axboe@...com, hch@....de, sagi@...mberg.me,
        linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] nvme: fix the suspicious RCU usage warning in
        nvme_mpath_clear_current_path

On Wed, Apr 18, 2018 at 03:32:47PM +0800, Jianchao Wang wrote:
> With lockdep enabled, when trigger nvme_remove, suspicious RCU
> usage warning will be printed out.
> Fix it with adding srcu_read_lock/unlock in it.

Looks fine,

Reviewed-by: Christoph Hellwig <hch@....de>